I have a NJ International B&O O Scale Bracket Signal that I have a question about. I've read this website http://www.railroadsignals.us/signals/cpl/index.htm and have read about the marker lights. Well from reading I'm still a little confused. Now I want to use this signal on my new layout and want to make it operate like in real life. The question I have is, the left mast has 2 White or Yellow Marker lights and the right mast has 1 marker light. I know that the marker light that is one, that if it's lit with a green signal it means normal speed. But question I have is, the 2 marker lights that are together, what would this mean in normal, medium and slow speed? Now I haven't hooked it up yet to light it up, but before I put the signal in, I like to know how to operate it in 3-Rail compared to the real thing.
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